Home / 21,021,956.60-31,532,934.90-21,021,956.60

Finding the Fourth Proportional to 21,021,956.60, 31,532,934.90 and 21,021,956.60

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Solution

The fourth proportional to 21,021,956.60, 31,532,934.90 and 21,021,956.60 is: 31,532,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,021,956.60 : 31,532,934.90 = 21,021,956.60 : x
  2. Step 2: Convert to fraction form
    21,021,956.60/31,532,934.90 = 21,021,956.60/x
  3. Step 3: Cross multiply
    21,021,956.60x = 31,532,934.90 × 21,021,956.60
  4. Step 4: Simplify right side
    21,021,956.60x = 662,883,988,938,425.38
  5. Step 5: Solve for x
    x = 662,883,988,938,425.38/21,021,956.60
  6. Step 6: Final answer
    x = 31,532,934.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.